261363315

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{6343}}^1$

素因数の和:6459

約数の個数: 32

約数和(自身を含む): 434843136

約数和(自身を除く): 173479821

約数列:

[1, 3, 5, 15, 41, 67, 123, 201, 205, 335, 615, 1005, 2747, 6343, 8241, 13735, 19029, 31715, 41205, 95145, 260063, 424981, 780189, 1274943, 1300315, 2124905, 3900945, 6374715, 17424221, 52272663, 87121105, 261363315]

約数ペア:

[(1, 261363315), (3, 87121105), (5, 52272663), (15, 17424221), (41, 6374715), (67, 3900945), (123, 2124905), (201, 1300315), (205, 1274943), (335, 780189), (615, 424981), (1005, 260063), (2747, 95145), (6343, 41205), (8241, 31715), (13735, 19029)]